| Barium Silicate Glasses and Glass Ceramics
Prepared by the Sol-gel Process |
M.CHEN, P. F. JAMES, W. E. LEE,
P. KORGUI. and J. S. DAVIES
Pages : 151-157
DOI : 10.1080/0371750X.1991.10804514 |
| Abstract |
| An all-alkoxide sol-gel route to barium silicate glass has been
developed. A highly rcadive barium disilicate (BS2)
composition gel was densificd into glass with 97% density at
725°C (Tg=695°C). DTA, XRD, TEM and optical studies
reveal that the phase separation and crystallization behaviour
of the gel glass is similar to that of the conesponding melt
glass, although the peak crystallization temperature (Tc) from
DTA is lower for the gel glass. |
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